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US 12,403,714 B2Granted
Information page
AssigneeDai Nippon Printing Co., Ltd.
InventorsTakumi Motoi, Shuhei Urata
Life of this patent
Estimating the term…
Abstract
There is provided an information page of a security document in which no non-uniform external force acts on an IC module. The information page of a security document includes a core layer, an IC module holding layer provided on one surface of the core layer via an intermediate layer, an IC module held in the IC module holding layer, and a laser printing layer provided on the other surface of the core layer. The intermediate layer and the IC module holding layer are both made of polycarbonate.
Claims20
An information page of a security document, comprising:
- a core layer having a net-like structure formed of a fabric of crossing yarns each composed of a plurality of single fibers and the core layer having a body portion and a connecting portion;
- the body portion of the core layer is bonded directly on one surface of a polycarbonate intermediate layer, and a polycarbonate IC module holding layer is bonded directly on a second surface of the polycarbonate intermediate layer opposite to the one surface;
- and
- an IC module embedded in the polycarbonate IC module holding layer, the IC module including a substrate and an IC chip provided on the substrate, wherein the IC module is directly connected on a first side to the polycarbonate intermediate layer and directly connected on a second side to a second polycarbonate intermediate layer,
- wherein the connecting portion of the core layer protrudes from the page such that it does not touch any other layer of the information page and is the only portion of the information page that is configured to be attached to the security document;
- wherein an opening is provided in at least the core layer, the polycarbonate intermediate layer, the polycarbonate IC module holding layer, and the second polycarbonate intermediate layer, and wherein a volume hologram is provided above said opening such that the volume hologram is viewable through the opening from opposing sides of the information page,
- and wherein a transparent window is provided in the opening.
4 more elements
Dependencies are inferred from the claim text.